The TV presenter has decided to take her husband Nick Lachey's name and has changed her twitter profile to reflect her decision.
The 31-year-old beauty - who tied the knot with the singer on Sir Richard Branson's private Necker Island in the Caribbean in July -tweeted: "So...I'm making it official, and I LOVE my "new name"! @VanessaLachey...has a nice ring to it ;) (sic)"
Her new twitter bio now reads: "Host by day, Wifey by night, Wanna-be Mommy all the time. (sic)"
Vanessa's Wikipedia entry also is under her new name Vanessa Lachey.
The couple recently bought a Spanish-style property together in San Fernando Valley, Encino, California, which contains 18 rooms, including eight bathrooms, a swimming pool and several fireplaces.
Nick recently revealed he is doing everything he can to get Vanessa pregnant.
The former 98 Degrees singer - who was previously married to Jessica Simpson - said: "I'm doing everything I can. Trust me, it would make me very happy. Family is very important. It's very important to us, and I'm sure that will be around the corner."
Will you take your husband's name when you marry? Have you changed your name already?
According to statistics, more than 17,000 Australians changed their name in 2010, most of them women. It has definitely been tradition in the past but is the status quo changing?